How were white Europeans able to acquire most of the slaves that they wanted from Africa?

The history of the European seaborne slave trade with Africa goes back 50 years prior ... to find the source of prized African gold, and to locate a possible sea route to ... It was near a region that had been mined for gold for many years and was ... They tried to recruit native Americans, but many died from diseases

answer; i believe the answer is (mesopotamia); modern day

either b) they were often feared and despised by other native cultures. or

c) their obsession allowed them to coexist with many other native cultures because of their peaceful nature.